Illinois Department of Transportation, Erica Borggren, Acting Secretary
Patrick J. Quinn, Governor
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Project Description

The I-39/U.S. 20 improvement project consists of:

  • the reconstruction of the I-39 and U.S. 20 interchange,
  • reconstruction of the U.S. 20 and Harrison Avenue interchange, and
  • the construction of additional lanes on U.S. 20 from the I-39 interchange to Harrison Avenue.

The total project length on I-39 is approximately 3 miles. 

The project is located in Winnebago County, southeast of Rockford, IL with portions of the project within the limits of the Village of Cherry Valley, IL. The project is about 12 miles south of the Illinois/Wisconsin state line and lies in the northeast portion of Illinois Department of Transportation (IDOT), District 2. The U.S. 20 interchange is approximately at I-39 milepost 119; Harrison Avenue is at milepost 122; and I-90 is at Milepost 123.

The west project limit of the U.S. 20 improvement project is the west ramp terminals of the I-39 and U.S. 20 interchange. The south limit of the I-39 improvement is the south ramp terminals of the I-39 and U.S. 20 interchange. The north project limit is the south ramp terminal of the I-39 and I-90 interchange. The improvement limits along Harrison Avenue are from South Mall Drive on the west to the Kishwaukee River Bridges on the east. See the "Project Location" page for a map.

I-39/U.S. 20 Improvement Project

Project Description
Project Location
Purpose and Need
Public Involvement
The Study Process
Project Exhibits
Traffic Projections
Aerial Photography
Environmental Information
Project Schedule
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